222 EXPLANATION OF PLATES. 



PLATE 41. 



FIGURE. PAGE. 



10-12. Orthostylus lignaria Pfr. Specimens, . . . 204 



13. Orthostylus lignaria Pfr. Conch. Icon., . . . 204 



14-16. Axina montfortiana Pfr. Specimen, . . . 165 



17-19. Axina magistra Pfr,. Conch. Cab., . . . .164 



PLATE 42. 



20-22. Orthostylus daphnis Brod. Specimens, . . .201 



23. Orthostylus daphnis Brod. Conch. Icon., . . .201 



24, 25. Orthostylus gilvusjBrod. Conch. Icon., . . .205 



PLATE 43. 



26, 27. Orthostylus rufogaster Less. Specimens, . . . 207 



28. Orthostylus woodiana Lea. Specimens, .... 206 



29. Orthostylus woodiana Lea (Reevei Brod.). Conch. Icon., 206 

 30-32. Axina carbonaria Sowb. Specimen, . . .163 



PLATE 44. 



33. Axina carbonaria Sowb. Specimen, . . . . 163 



34, 35. Axina pfeifferi Semper. Specimen, . . . . 1 62 

 36, 37. Axina pfeifferi Semper. Conch. Cab., . . .162 

 38, 39. Orthostylus portei Pfr. Novit. Conch., . . . 206 



40. Orthostylus bicolorata Lea. Conch. Icon., . ... 199 



41. Orthostylus bicolorata Lea. Specimen, . . . .199 



PLATE 45. 



42-44. Orthostylus imperator Pfr. Specimens, . . .199 



45, 46. Axina morel eti Pfr. Conch. Cab., . . . .165 



47. Orthostylus monozonus Pfr. Conch. Icon., . . . 208 



48. Orthostylus marinduquensis Hid. (woodiana Pfr.). Conch. 



Icon., . . . . 209 



49. Orthostylus marinduquensis Hid. Specimen, . . . 209 



PLATE 46. 



50,51. Helicobulinus turgens Dh. Conch. Cab., . . .196 



52. Helicobulinus turgens Dh. Specimen, .... 196 



53, 54. Helicostyla indusiata Pfr. Novit. Conch., . .184 

 56, 57. Helicostyla collodes Sowb. Specimens, . . .184 



PLATE 47. 



58. Helicobulinus sarcinosa Fer. Conch. Cab., . . . 195 



59. Helicobulinus turbo Pfr. Conch. Icon., . . . .197 



60. Helicobulinus cinerasceus Pfr. Conch. Icon., . .197 



61. Calocochlea mindanaensis Sowb. Conch. Cab., . . 148 



